<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Girl</title>
    <style>
        .header{
            height: 60px;
            background-color: black;
            color: white;
        }
        .main{
            /*height: 800px;*/
            background-color: gray;
        }
        .left{
            width: 65%;
            height: 500px;
            background-color: green;
            float: left;
        }
        .right{
            width: 30%;
            height: 700px;
            background-color: orange;
            float:right;
        }
        .footer{
            height: 50px;
            background-color: red;
            color: white;
            text-align: center;
            font-size: 40px;
        }
        .clear{
            clear: both;
        }
    </style>
</head>
<body>
<div class="header">header</div>
<div class="main">
    <div class="left">left</div>
    <div class="right">right</div>
    <div class="clear"></div>
</div>
<div class="footer">footer</div>
</body>
</html>